From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 18 Jul 2018 11:55:34 +0000 (-0700)
Subject: * etc/NEWS: Mention eql etc. NaN fix.
X-Git-Tag: emacs-27.0.90~4664^2~64
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a68270785be1301fd4d416ae0bdfa06b81fb1cda;p=emacs.git

* etc/NEWS: Mention eql etc. NaN fix.
---

diff --git a/etc/NEWS b/etc/NEWS
index c0f380614a1..5648dd0a63a 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -821,6 +821,13 @@ changes and the change hooks are time consuming.
 ** The function 'get-free-disk-space' returns now a non-nil value for
 remote systems, which support this check.
 
++++
+** 'eql', 'make-hash-table', etc. now treat NaNs consistently.
+Formerly, some of these functions ignored signs and significands of
+NaNs.  Now, all these functions treat NaN signs and significands as
+significant.  For example, (eql 0.0e+NaN -0.0e+NaN) now returns t
+because the two NaNs have different signs; formerly it returned nil.
+
 +++
 ** The function 'make-string' accepts an additional optional argument.
 If the optional third argument is non-nil, 'make-string' will produce